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Instrumentation - INST 234

Electronic Instrumentation and Control

• Discuss basic process control concepts
• Introduce control loop elements and functions
• Define sensor/transmitters as process variables
• Define controller function as compare, calculate, and correct
• Introduce final elements as manipulated variables
• Discuss process response
• Define offset and dead time
• Introduce and overview of measurement
• Discuss techniques of measurement
• Define process variables
• SAMA introduction
• Apply SAMA diagram to controllers
• Show PV; SP; Output; Modes; SP and output tracking; SP and output limits
• Discussion of controller types
• Analyze on/off (HVAC) controllers (deadband)
• Analyze feedback/FeedForward (BFW) controllers
• Analyze ratio flows control
• Analyze cascade (primary/secondary) control
• Analyze override control
• Analyze lead/lag control
• Analyze boiler control scenarios
• Analyze incinerator controls
• Discuss multivariable controls, APC. Neuronet; and fussy logic
• Introduce process interlocks
• Discuss hardwired versus programmed interlocks
• Discuss bypass scenarios
• Discuss safety instrumented systems
• Discuss failsafe issues
• Analyze emergency shutdowns
• Discuss levels of protection
• Introduce control simulations with troubleshooting techniques
• Simulate various heat exchanger controls
• Simulate boiler controls
• Simulate pH control
• Simulate cascade and ratio control
• Analyze controller tuning parameters
• Calculate process gain
• Calculate controller gain; reset time and rate
• Calculate dead time; time constant; controller action
• Discuss controller modes and control modes
• Discuss digital vs. analog controllers
• Present in detail distributed control systems
• Discuss setup and architecture
• Discuss wiring; cables; and wireless connections
• Introduce programming and controller and workstations
• Introduce data I/O highway and various plant highways
• Use of controllers and operator stations
• Display techniques
• Define redundancy
• Discuss ancillary devices (PLC/Printer/Data Collection/Business Computer/ETC)
• Define alarming schemes
• Show auto-tune capability
• Show diagnostic capability
• Describe grounding and lighting protection
• Determine the use of uninterruptible power supplies/backup generators